Shell of a primary end cap for a headrail



FIG. 1 is an isometric view looking downwardly at a top, a first side, and a first end of the shell of a primary end cap for a headrail;

FIG. 2 is an isometric view looking upwardly at a bottom, the first side, and a second end of the shell of a primary end cap for a headrail;

FIG. 3 is a top plan view of the shell;

FIG. 4 is an elevation of the first side of the shell;

FIG. 5 is a bottom plan view of the shell.

FIG. 6 is an elevation of the first end of the shell;

FIG. 7 is an elevation of the second end of the shell; and,

FIG. 8 is an elevation of a second side of the shell. 

I claim the ornamental design for a shell of a primary end cap for a headrail, as shown and described. 